uKeg 64 oz Pressurized Growler for Craft Beer - Copper The uKeg 64 keeps beer fresh and carbonated for 2 weeks. Vacuum insulated 18/8 stainless steel keeps beer cold all day Adjustable VPR cap and gauge enable perfect carbonation for different beer styles Locking dispenser tap with interchangeable handle provides for endless personalization Sight tube with pint and ounce measurements ensure you know when you're getting low Share your beer or homebrew with friends anytime, anywhere Plated with a bright, durable copper finish for a true, old-fashioned brewery look Holds up to 64 ounces of liquid 1-year warranty & lifetime customer support